Display apparatus

Abstract

A display apparatus includes: pixels in a non-rectangular display region; a scan circuit outputting a scan signal; a data signal circuit outputting a data signal; a first wiring portion with a first signal to control the scan circuit; a second wiring portion with a second signal to control the data signal circuit; a first auxiliary wiring portion connecting the first wiring portion and the scan circuit; and a second auxiliary wiring portion connecting the second wiring portion and the data signal circuit. The scan circuit and the data signal circuit are outside the display region, the first wiring portion and the second wiring portion are disposed outside the first region, the first auxiliary wiring portion lies approximately orthogonal to an extension direction of the first wiring portion, and the second auxiliary wiring portion is disposed along a direction approximately orthogonal to an extension direction of the second wiring portion.

What is claimed is: 
     
       1. A display apparatus, comprising:
 a plurality of pixels arrayed in a non-rectangular display region along a first direction and a second direction; 
 a scan circuit that outputs a scan signal via a scan line to a first pixel group extending along the first direction; 
 a data signal circuit that outputs a data signal corresponding to an emission luminance of a pixel to which the scan signal is input, via a data line to a second pixel group extending along the second direction; 
 a first wiring portion to which a first signal to control the scan circuit is supplied; 
 a second wiring portion to which a second signal to control the data signal circuit is supplied; 
 a first auxiliary wiring portion that connects the first wiring portion and the scan circuit to each other; and 
 a second auxiliary wiring portion that connects the second wiring portion and the data signal circuit to each other, 
 wherein the scan circuit and the data signal circuit are disposed in a first region located outside the display region, 
 the first wiring portion and the second wiring portion are disposed in a second region located outside the first region, 
 the first auxiliary wiring portion is disposed along a direction approximately orthogonal to an extension direction of the first wiring portion, and 
 the second auxiliary wiring portion is disposed along a direction approximately orthogonal to an extension direction of the second wiring portion. 
 
     
     
       2. The display apparatus according to  claim 1 , further comprising:
 a plurality of the scan circuits; and 
 a plurality of the data signal circuits, 
 wherein each of the plurality of data signal circuits is a demultiplexer that sequentially outputs a data signal to a plurality of the data lines in a time-division manner. 
 
     
     
       3. The display apparatus according to  claim 1 ,
 wherein the scan circuit and the data signal circuit are disposed along an outer circumference of the display region and are adjacent to each other. 
 
     
     
       4. The display apparatus according to  claim 2 ,
 wherein the plurality of scan circuits are disposed at an equal or approximately equal distance from a side of an outer circumference of the display region, and 
 the plurality of data signal circuits are disposed at an equal or approximately equal distance from the side of the outer circumference of the display region. 
 
     
     
       5. The display apparatus according to  claim 2 ,
 wherein each of the plurality of scan circuits includes a thin film transistor, the thin film transistor including a gate to which the first signal is input, and 
 a direction in which a current flows in a channel region of a semiconductor layer of the thin film transistor is approximately parallel to the extension direction of the first wiring portion. 
 
     
     
       6. The display apparatus according to  claim 2 ,
 wherein each of the plurality of data signal circuits includes a thin film transistor, the thin film transistor including a gate to which the second signal is input, and 
 a direction in which a current flows in a channel region of a semiconductor layer of the thin film transistor is approximately parallel to the extension direction of the second wiring portion. 
 
     
     
       7. The display apparatus according to  claim 1 ,
 wherein the pixel includes a light emitting device including an organic light emitting layer and a pixel circuit including a capacitor and a driving transistor that allows a current corresponding to a luminance to flow into the light emitting device, 
 the pixel circuit includes at least a first layer and a second layer, and is formed on a substrate, 
 the light emitting device is formed on an upper side of the pixel circuit, 
 the first layer includes the first wiring portion, the second wiring portion and a wiring connected to at least one of a source and a drain of the driving transistor, and 
 the second layer includes the first auxiliary wiring portion, the second auxiliary wiring portion and a metal electrode of the capacitor. 
 
     
     
       8. The display apparatus according to  claim 7 ,
 wherein the driving transistor of the pixel circuit allows the current to flow into the light emitting device disposed right above the pixel circuit. 
 
     
     
       9. The display apparatus according to  claim 7 ,
 wherein the data line is disposed along the second direction and includes a connection wiring portion on one end side of the data line, the connection wiring portion being connected to a control circuit that controls the scan circuit and the data signal circuit, 
 the first region includes a third region disposed on a side of the connection wiring portion and a fourth region different from the third region, 
 the display apparatus further comprises a plurality of the scan circuits, and 
 a width of the scan circuit disposed in the third region is smaller than a width of the scan circuit disposed in the fourth region. 
 
     
     
       10. The display apparatus according to  claim 7 ,
 wherein the data line is disposed along the second direction and includes a connection wiring portion on one end side of the data line, the connection wiring portion being connected to a control circuit that controls the scan circuit and the data signal circuit, and 
 the driving transistor of the pixel circuit allows the current to flow into the light emitting device disposed at a position shifted by one pixel toward the one end side of the data line in relation to the light emitting device disposed right above the pixel circuit. 
 
     
     
       11. The display apparatus according to  claim 1 ,
 wherein the pixel includes a light emitting device including an organic light emitting layer and a pixel circuit including a capacitor and a driving transistor that allows a current corresponding to a luminance to flow into the light emitting device, 
 the pixel circuit includes at least first to third layers, and is formed on a substrate, 
 the light emitting device is formed on an upper side of the pixel circuit, 
 the first layer includes the first wiring portion, the second wiring portion and a wiring connected to at least one of a source and a drain of the driving transistor, 
 the second layer includes a first metal electrode of the capacitor, 
 the third layer includes a second metal electrode of the capacitor, and 
 the second layer or the third layer includes the first auxiliary wiring portion and the second auxiliary wiring portion. 
 
     
     
       12. The display apparatus according to  claim 11 ,
 wherein the driving transistor of the pixel circuit allows the current to flow into the light emitting device disposed right above the pixel circuit. 
 
     
     
       13. The display apparatus according to  claim 11 ,
 wherein the data line is disposed along the second direction and includes a connection wiring portion on one end side of the data line, the connection wiring portion being connected to a control circuit that controls the scan circuit and the data signal circuit, 
 the first region includes a third region disposed on a side of the connection wiring portion and a fourth region different from the third region, 
 the display apparatus further comprises a plurality of the scan circuits, and 
 a width of the scan circuit disposed in the third region is smaller than a width of the scan circuit disposed in the fourth region. 
 
     
     
       14. The display apparatus according to  claim 11 ,
 wherein the data line is disposed along the second direction and includes a connection wiring portion on one end side of the data line, the connection wiring portion being connected to a control circuit that controls the scan circuit and the data signal circuit, and 
 the driving transistor of the pixel circuit allows the current to flow into the light emitting device disposed at a position shifted by one pixel toward the one end side of the data line in relation to the light emitting device disposed right above the pixel circuit. 
 
     
     
       15. The display apparatus according to  claim 1 ,
 wherein a metal layer is disposed between an arrangement region of the pixel disposed on an outermost side of the display region and an arrangement region of the scan circuit or the data signal circuit.